Question

factorise the following by splitting the middle term: i)15t^-2t-1
class 9​

Answer 1

(p - q)2 - 6(p - q) - 16

Solution :

= (p - q)2 - 6(p - q) - 16

Let t = p - q

= t2 - 6t - 16

= t2 - 8t + 2t - 16

= t(t - 8) + 2(t - 8)

= (t + 2) (t - 8)

= (p - q + 2) (p - q - 8)

Hence the factors are (p - q + 2) (p - q - 8).

The solution is taken from Vedantu site

Answer 2

Step-by-step explanation:

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